3912700841520 has 80 divisors (see below), whose sum is σ = 12192877320192. Its totient is φ = 1037924120320.

The previous prime is 3912700841443. The next prime is 3912700841521. The reversal of 3912700841520 is 251480072193.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3912700841521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42631962 + ... + 42723641.

Almost surely, 2^{3912700841520} is an apocalyptic number.

3912700841520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3912700841520 is an abundant number, since it is smaller than the sum of its proper divisors (8280176478672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3912700841520 is a wasteful number, since it uses less digits than its factorization.

3912700841520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85355810 (or 85355804 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 3912700841520 in words is "three trillion, nine hundred twelve billion, seven hundred million, eight hundred forty-one thousand, five hundred twenty".